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Cultivation

Winter covering

Winter covering is an agrotechnical practice for plant protection, indicating a variety's insufficient adaptation to the local climate. The necessity of this procedure shifts crop cultivation into an intensive and labor-intensive format, requiring regular expenditures and strict adherence to work s…

Mentioned in descriptions 14 029 varieties reference book.

The need for winter covering manifests as mandatory annual plant preparation, including mulching, hilling, bending down shoots, or using protective frames and materials. This is a variety marker indicating its inability to independently withstand local climatic conditions, which compels the agronomist to create an artificial environment for protection against frost damage.

Protection effectiveness directly depends on adhering to timelines and the quality of materials used. Early covering at high temperatures can provoke rotting or the development of fungal diseases, while late covering will not protect against early frosts. The success of the operation is also determined by the general condition of the plants: weakened specimens or an excess of nitrogen nutrition in autumn increase the risk of death even when protective structures are present.

Assessing the feasibility of covering relies on economic profitability and agrotechnical capabilities. With the aging of woody and shrub crops, the complexity of installing structures increases, which reduces the scalability of plantings. When choosing a variety, it is recommended to consider frost resistance data and prioritize regionalized winter-hardy alternatives that do not require manual intervention during the winter period.

Sources10

Breakdown by crop

Winter protection — Hydrangea macrophylla 237 Winter protection for lettuce 141 Winter protection of roses 96 Winter Cover — White Cabbage 87 Winter protection of grapevine 79 Winter covering of radish 71 Winter protection for lilies 63 Winter protection of chrysanthemums 52 Winter protection of grapes 37 Winter protection — Garden strawberry 29 Winter protection — raspberry and blackberry 25 Winter protection for carrots 25 Winter protection for Clematis 20 Winter protection of blackberries 20 Winter covering of endive 19 Winter protection — Hydrangea serrata 17 Winter protection of fig trees 15 Winter protection of Hydrangea 15 Winter covering of potatoes 15 Winter protection of radish 14 Winter protection — Garden Chrysanthemum 13 Winter protection — Chinese cabbage 13 Winter protection of asparagus 11 Winter protection — Rubus idaeus L. x Rubus subg. Eubatus Focke 11

Found in these crops

Apple 613 Grapevine 393 Tomato 340 Peach 338 Melon 293 Cauliflower 270 Bell pepper 263 Perennial ryegrass 246 Rose 242 Cucumber 230 Watermelon 219 Bigleaf hydrangea 198

Varieties that feature this in their description

Selection based on the description text, not official resistance ratings: such data is not available in registers. Mention indicates that the trait is discussed in the variety's sources; see the variety's profile for details on what is specifically stated.

Burnectthirtyfour

Active

Prunus persica (L.) Batsch · Peach

John K. Slaughter^^^Timothy J. Gerdts

3 records

Cassidy

Withdrawn

Ophiopogon Ker -Gawl. · Lilyturf

NARDO ZAIAS M.D.

1 record

Balsomrosa

Active

Hybrids between Echinacea purpurea (L.) Moench and Echinacea paradoxa (Norton) Britton

Jianping Ren

1 record

Balsashink

Application submitted

Phlox x procumbens Lehm.

Christa Kievit

1 record

Captain Safari

Terminated

Zantedeschia Spreng. · Arum-lily

Kapiteyn Breeding B.V.

1 record

Canusium B

Active

Vitis vinifera L. · Common grape vine

Donato Antonacci

1 record

Alpica

Active

Chamaecyparis thyoides (L.) Britton et al. · Atlantic white cedar

Edens Creations B.V.

1 record

AMIECH1913

Terminated

Echeveria x gilva E. Walther x Echeveria peacockii Croucher ex T. Moore & Mast.

Novoami B.V.

1 record

Bridix

Terminated

Anisodontea scabrosa (L.) Bates

André Briant Jeunes Plants S.A.S.

1 record

Bocosir

Active

Aster ageratoides Turcz.

Boot & Co. Boomkwekerijen B.V.

1 record

Balcadetlu

Terminated

Verbena L. · Vervain

Jason Jandrew^^^Phuong Nguyen

1 record

BALAZPLUM

Terminated

Verbena L. · Vervain

SCOTT C TREES

1 record

Bokohape

Active

Symphoricarpos x chenaultii Rehder · Chenault coralberry

Kolster Holding B.V., Boot & Co. Boomkwekerijen B.V.

1 record

Botex 015

Application submitted

Deutzia

Botanic Experience B.V.

1 record

Blink

Withdrawn

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Van Klaveren Plant B.V.

2 records

ASMZ0002

Terminated

Asteriscus maritimus (L.) Less.

Syngenta Crop Protection AG

1 record

Blizzard

Terminated

Sutera Roth · Sutera

REINHARD W.ROTHER

1 record

Art Tropico

Active

x Heucherella H. R. Wehrh. · Foamy bells

Diederik Scheys

1 record

Bluette Purple

Terminated

Petunia Juss. · Petunia

DAI-ICHI SEEDS CO. LTD.

1 record

Best Wishes

Terminated

Clematis L. · Clematis

Tolver Gooch Ltd.

1 record

BBCAL92301

Active

Calibrachoa Cerv. · Calibrachoa

Brent Barnes

1 record

AP CG001

Active

Choisya x dewitteana Geerinck

Alan Postill

2 records

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